Shrubby, softly white-hairy annual or perennial herbs. Leaves twice divided into 3, blade to 5 cm long and wide, with segments 1.5-3 cm long. Flower heads to 2 cm wide and surrounded by the white woolly, green-tipped, petal-like bracts, the outer flowers male, inner ones bisexual; spring. Petals absent.
The lower-growing A. minor (Sm.) DC., Lesser Flannel Flower, with flower heads about 1 cm wide, is occasionally grown.
Source: (2002). Apiaceae. In: . Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.